Use this if you are using igraph from R
| delete_graph_attr {igraph} | R Documentation | 
Delete a graph attribute
delete_graph_attr(graph, name)
graph | 
 The graph.  | 
name | 
 Name of the attribute to delete.  | 
The graph, with the specified attribute removed.
Other graph attributes: 
delete_edge_attr(),
delete_vertex_attr(),
edge_attr<-(),
edge_attr_names(),
edge_attr(),
graph_attr<-(),
graph_attr_names(),
graph_attr(),
igraph-dollar,
igraph-vs-attributes,
set_edge_attr(),
set_graph_attr(),
set_vertex_attr(),
vertex_attr<-(),
vertex_attr_names(),
vertex_attr()
g <- make_ring(10)
graph_attr_names(g)
g2 <- delete_graph_attr(g, "name")
graph_attr_names(g2)